RamBox Cargo Management System: Includes built-into-the-bed cargo rail system with four sliding adjustable cleats for tie-down versatility, a removable and adjustable divider that converts to a two foot bed extension to secure loads up to 7 feet long, two weatherproof, lockable, drainable illuminated storage bins that run the length of the bed with 7.4 cubic feet of storage space (240 12-oz. Cans plus ice), and rear wheel spats. There still remains 49 inches of flat space between wheel wells in order to allow for a standard sheet of plywood or other building materials.